In Pakistan, because of small field size, most often 2 or 3 rows windbreaks are used, and should expect the effects to reach only about 12H downwind and _____ upwind:
Correct answer: B. 2H
- A. 1H
- B. 2H
- C. 3H
- D. 4H
Explanation
Windbreak influence generally extends much farther downwind than upwind because the protected air zone develops behind the barrier. For these small-field windbreaks, the cited reach is about 12 tree heights downwind and 2 tree heights upwind.
Last updated
Practise Agroforestry
76 free Agroforestry MCQs from Forestry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Forestry questions like this
Forestry is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
Related questions
A bacterium found in the root nodules of leguminous plants is the:
A need for agroforestry system will exist whenever the situations occur:
A three year old plant of poplar and Tamarix gallica consumes ______ liters and ____ liters of water per day, respectively under optimum supply conditions:
A windbreak with 50% crown density is more effective than one of either 100% or of ______ density:
Additionally, there are attributes, which, theoretically, all agroforestry system possess are: